Manuscript score of an arrangement of 'Rhywun' for unaccompanied mixed voices, Bristol, February 1940. Published: Mansel Thomas Trust Ref: MT064, also by OUP, 1972.

Ink score; together with another set of ink scores for episodes 1-5 only; and pencil sketches and text.

Manuscript score of an arrangement of 'Beth yw'r haf i mi?' (words, T. H. and Amy Parry-Williams), for unaccompanied mixed voices. Published Magor: Mansel Thomas Trust, Ref: MT057 [1998?].

Manuscript score of arrangement of 'Ble'r wyt ti'n myned?' (English words, Mary Ll. Davies), for unaccompanied mixed voices. Published Magor: Mansel Thomas Trust, Ref: MT058 [1998?].

Incomplete photocopy of a manuscript score of 'Bugail yr hafod' (pp. 11-16 only), arranged for unaccompanied mixed voices and soloist.

Manuscript score of 'The blackbird's song = Cân y deryn du' (English words, Peter Cobb), arranged for unaccompanied mixed voices; together with a photocopy of the same, with title changed to ‘Y bore glas = Early dawn’; the Welsh words copied out by the composer; and a manuscript score entitled ‘Y bore glas’, without words. Published as ‘Y bore glas’ by the Mansel Thomas Trust, Ref: MT061 [1998?].

Manuscript score of an arrangement of 'Eryri wen' (without words) for unaccompanied mixed voices. Published as 'White Snowdon = Eryri wen' by the Mansel Thomas Trust, Ref: MT063 [1998?].